When comparing iMessage vs MegaChat, the Slant community recommends iMessage for most people. In the question“What are the best Skype alternatives?”iMessage is ranked 9th while MegaChat is ranked 20th. The most important reason people chose iMessage is:

Pros

Pro

Comes pre-installed

Pro

Secure end-to-end encryption

Pro

Cross-platform within Apple ecosystem

iMessage is available on iPhone, iPod, iPad, and Mac.

Pro

Free and unlimited messages over Wi-Fi and data

Messages clearly indicates whether messages are being sent over iMessage (blue) or SMS (green) where messaging rates apply. iMessages do not count as SMS messages with your carrier, instead they use a negligible amount of data to send over Wi-Fi and cellular data networks.

Pro

Clean UI

UI is minimalistic, and clear. And there is a plethora of stuff on the left of text box if you wanna use them.

Pro

Friends don't need to "sign up"

You can just message them using their existing phone number or Apple ID and they will get your message.

Pro

Supports voice messages

Short voice recordings/messages can be quickly sent, and messages can be easily dictated into written messages as well.

Pro

Seamlesss switching between SMS messages

Pro

Clear indicators for message delivery and receipt

The app indicates when messages have been sent, when they have been read, and when someone is typing.

Pro

Security and privacy via end-to-end encryption

Both chat and video calls are encrypted.

Pro

No software to install

MegaChat is browser-based and can be accessed via any modern web browser.

Pro

Free

Pro

Built-in simple filesharing

Pro

Good audio and video quality

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Cons

Con

Not cross-platform

iMessage is not available on anything but Apple devices.

Con

In beta

There still are some bugs that have to be worked out.

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